C312322331333132212111133133313331333131133113313331333211232221   >>    C31232233133313221211113313331333133313113311331333133321123222   <<    C312322331333132212111133133313331333131133113313331333211232223   >>      C312322331333132212111133133313331333131133113313331333211232222   >>